Oppo has added two new smartphones to its A57 lineup, called A57s and A57e, which are similar smartphones with a few differences. Oppo A57s Let's talk about the Oppo A57s first. It's powered by the Helio G35 SoC, runs Android 12-based ColorOS 12.1, and comes in a single 4GB/64GB memory configuration. However, the RAM expansion feature allows you to virtually add 4GB extra RAM using the smartphone's internal storage, and the handset also has a microSD card slot for storage expansion up to 1TB. The Oppo A57s is built around a 6.56" LCD of HD+ resolution. It's protected by Panda Glass...
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